CVE-2026-83549

HighActively exploited (CISA KEV)

Description

Post-authentication Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability has been identified in the SMA1000 Appliance Management Console (AMC) which in specific conditions could potentially enable a remote authenticated attacker as administrator to execute arbitrary OS commands, resulting in remote code execution.

SeverityHigh
CVSS7.8
Exploit probability—
ProductSonicWall SMA1000 Appliances
PublishedSep 1, 2026
First seenSep 1, 2026
Added to KEVSep 2, 2026

How to fix

CISA required action

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

CISA due date: Sep 5, 2026
Update
  • sonicwall sma8200v12.4.3-03526, 12.5.0-02952 or later
  • sonicwall sma6210_firmware12.4.3-03526, 12.5.0-02952 or later
  • sonicwall sma7210_firmware12.4.3-03526, 12.5.0-02952 or later

Affected products

ProductAffected versionsFixed in
sonicwall sma8200vv < 12.4.3-03526, 12.5.0 ≤ v < 12.5.0-0295212.4.3-03526, 12.5.0-02952
sonicwall sma6210_firmwarev < 12.4.3-03526, 12.5.0 ≤ v < 12.5.0-0295212.4.3-03526, 12.5.0-02952
sonicwall sma7210_firmwarev < 12.4.3-03526, 12.5.0 ≤ v < 12.5.0-0295212.4.3-03526, 12.5.0-02952

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2026-83549 · SonicWall SMA1000 Appliances · Dark Radar